[PATCH v5 for-5.0? 0/7] Tighten qemu-img rules on missing backing format

[Eric Blake]

On 4/3/20 12:58 PM, Eric Blake wrote:
> v4 was here:
> https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg03775.html
> In v5:
> - fix 'qemu-img convert -B' to actually warn [Kashyap]
> - squash in followups
> - a couple more iotest improvements
> 
> If we decide this is not 5.0 material, then patches 4 and 7 need a
> tweak to s/5.0/5.1/ as the start of the deprecation clock.

Ping.  I've already made the 5.1 change in my local tree, does anyone 
want to review the rest of this series before I post a v6?

> 
> Eric Blake (7):
>    sheepdog: Add trivial backing_fmt support
>    vmdk: Add trivial backing_fmt support
>    qcow: Tolerate backing_fmt=, but warn on backing_fmt=raw
>    qcow2: Deprecate use of qemu-img amend to change backing file
>    iotests: Specify explicit backing format where sensible
>    block: Add support to warn on backing file change without format
>    qemu-img: Deprecate use of -b without -F
> 

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org